Fix division by 0 crash with preprocessor expressions like #if 1 / 0 or #if 1 //
Fix division by 0 crash with preprocessor expressions like
#if 1 / 0
or
#if 1 //

rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror